机关领导人在签发公文文稿时，正确的做法是：
A．签上意见、姓名B．签上意见C．在文件上画圈儿D．签上姓名
参考答案：A
—I hear Mr. Zhang has gone to Beijing for a meeting.
—Really? Do you know when he ______?[ ]
A. leaves
B. was leaving
C. has left
D. left
患儿，出生20天，发热，腰痛骶部皮肤红肿、水疱，触诊有皮下空虚，皮肤漂浮感，应采取的措施是（）。
A.保湿
B.抗生素
C.穿刺抽脓
D.多处切口引流
E.外敷药物
